How should I get revenge on a cheating ex?

My girlfriend of 4 years, FOUR FUCKING YEARS, cheated on me, I walked in on them 2 days ago and I've been trying to come up with a way to get revenge ever since. She broke my heart, it wasn't the first time either, she admitted she's been lying for the last year. I was gunna marry this girl, I gave her so much! I don't understand how she could do this to me and I want revenge, cheating is not okay and must be punished. We're still living together (in separate rooms of the house) for the moment as neither of us have anywhere to go but I am desperately trying to get out of the house.

If you have an answer that isn't an option, just leave a comment.
Take a baseball bat to her car
Vote A
Post pictures of them together on facebook
Vote B
Take a knife to her furniture (I paid for it but I never liked it)
Vote C
Replace her shampoo with hair removal
Vote D
Destroy her phone
Vote E
Burn her clothes
Vote F
Beat the shit out of her new man
Vote G
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How should I get revenge on a cheating ex?
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